1 Jan 2001 Jahr - Astraligi
Beschreibung:
 First published evidence that some of the most archaic cetaceans—the Eocene archaeocetes  Ichthyolestes, Pakicetus, Artiocetus, and Rodhocetus—had astragali exactly matching those of artiodactyls, but not mesonychians. 
Zugefügt zum Band der Zeit:
Datum:
Abbildungen:
![]()